Is 3D Printing Safe

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Is 3D Printing Safe?
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Introduction

• Is 3D Printing safe? Of course that question
  does not have an easy yes/no answer. In this
  article well look at several aspects of the
  safety of 3D printing including the safety of the
  hardware, the materials used and the 3D printed
  objects.

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Safety 3D Printers

• Since 3D printing has become a mainstream
  technology used across many industries rather
  than a niche technique for prototypes and highly
  personalized consumer goods, the safety of 3D
  printers also has become a topic of discussion.

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What makes a 3D printer safe?

• There are a few things you should keep in mind
  when researching whether a 3D printer is safe or
  not.
• Electrical safety
• Mechanical safety
• Risk of burns

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Electrical safety

• When buying a 3D printer, check if the power
  supply meets all CE mark regulations and is
  protected against short-circuit, overload, over
  voltage and over temperature. A nice feature
  could be that the hot end of the printer contains
  thermal runaway protection. Last thing which is
  pretty rare but nice a smoke sensor thats
  separately powered from the machine and which
  kills all power to the heater when smoke is
  detected.

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Mechanical safety

• 3D printers contain many moving parts.
  Fortunately, industry-wide most used NEMA-17
  stepper motors do not have enough power to cause
  serious injuries. Though, in search for a safe 3D
  printer, please keep in mind that moving gears
  that are not covered can still form a potential
  risk. So you might want to limit your search to
  3D printers that have a closed design.

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Risk of burns

• There is a potential risk of burns, as the
  print head of most 3D printers can reach
  temperatures of up to 280C and the heated bed of
  up to 120C. A 3D printer is regarded safe when
  contact with the nozzle is prevented by
  surrounding it with for instance an aluminum
  cover. You can also get burns from touching a
  heated bed. Therefore, a 3D printer with a heated
  bed needs to have a closed environment.

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Safety 3D Printing Materials

• ABS once was the most popular 3D printing
  material. Engineers love it for its strength and
  designers like it cause its easily publishable
  with acetone. Its popularity is lately decreasing
  due to studies that have shown that the fumes
  that are released while printing are possibly
  carcinogenic. But are there no other options? Of
  course, you can use PLA. PLA is a bioplastic and
  is considered to be the safest 3D printing
  material.

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eb site http//www.iannone3d.com/
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